Finding the Fourth Proportional to 80,632,341.19, 111,281,168.82 and 49,288,737.28

Step by Step Solution

1. Step 1: Write the proportion equation
   80,632,341.19 : 111,281,168.82 = 49,288,737.28 : x
2. Step 2: Convert to fraction form
   80,632,341.19/111,281,168.82 = 49,288,737.28/x
3. Step 3: Cross multiply
   80,632,341.19x = 111,281,168.82 × 49,288,737.28
4. Step 4: Simplify right side
   80,632,341.19x = 5,484,908,294,180,307
5. Step 5: Solve for x
   x = 5,484,908,294,180,307/80,632,341.19
6. Step 6: Final answer
   x = 68,023,676.52